show selected ship's current behavior in sidebar panel

src/ui/ShipStatsPanel.h

@@ -6,6 +6,7 @@
 
 #include <QWidget>
 
+#include "BehaviorKind.h"
 #include "ShipLayout.h"
 #include "ShipStatsCalculator.h"
 
@@ -24,6 +25,9 @@ public:
 
     void refreshFromLive(const ShipStats& stats, float currentHp);
 
+    // Displays the ship's current top-priority behavior (REQ-UI-SHIP-BEHAVIOR).
+    void setBehavior(BehaviorKind kind);
+
     void setThreatCost(double cost);
     void setDebugDrawEnabled(bool enabled);
 
@@ -33,6 +37,7 @@ private:
     const GameConfig* m_config;
     bool m_debugDraw = false;
 
+    QLabel* m_behaviorLabel;
     QLabel* m_hpLabel;
     QLabel* m_speedLabel;
     QLabel* m_sensorRangeLabel;